David Lyons is an Australian actor. He is known for his roles Josh Holiday in the Nine Network navy drama Sea Patrol (2007–2009), Dr. Simon Brenner in the NBC medical drama ER (2008–2009), as General Sebastian Monroe in the NBC post-apocalyptic drama Revolution (2012–2014) and as FBI agent Brian Abbott in the Netflix limited series The Beast In Me (2025) as well as FBI agent Adam Corrigan in the third season of the Netflix series The Night Agent (2026).
Early life and education Lyons graduated from Yarra Valley Grammar school in 1993 and continued on to graduate from Australia's National Institute of Dramatic Art (NIDA) with a degree in Performing Arts (Acting) in 2004.
Career In 2005, Lyons had a recurring role on the Seven Network police drama Blue Heelers and guest-starred on the Seven Network/Network Ten/Eleven soap opera Neighbours.
Lyons starred in the Nine Network police drama Sea Patrol, where he played the Leading Seaman Josh Holiday for the show's first three series from 2007 until 2009.
Lyons began starring in the NBC medical drama ER as Dr. Simon Brenner, making his first appearance in season 14, episode 14 titled "Owner of a Broken Heart" which aired on 10 April 2008, but he was credited as a special guest star. When the show's 15th and final season premiere titled "Life After Death" aired on 25 September 2008, Lyons was added to the main cast. Lyons remained on the show until it ended with the two-hour series finale, "And in the End...", which aired on 2 April 2009.
In 2009, Lyons starred in the television film A Model Daughter: The Killing of Caroline Byrne.
In 2010, Lyons appeared in the biographical romantic drama Eat Pray Love, which starred Julia Roberts and was based on Elizabeth Gilbert's autobiography of the same name."David Lyons unveiled as action man" Herald Sun 7 January 2011
In January 2011, Lyons starred as the title role in the NBC superhero drama The Cape, until the show was cancelled in March that same year after ten episodes.
Lyons co-starred with Billy Burke in the NBC post-apocalyptic drama Revolution, which ran for two seasons from 2012 to 2014. He played Sebastian "Bas" Monroe, a former US Marine Corps sergeant who served with Miles Matheson (Burke), founded the Monroe Republic, and became its president and later general of its militia.
In 2013, Lyons co-starred with Josh Duhamel and Julianne Hough in the romantic drama Safe Haven, based on Nicholas Sparks' novel of the same name.
The short film Record was released in 2013. Lyons was the director, composer, and one of the screenwriters.
Lyons will appear in the upcoming Netflix limited series adaptation All the Sinners Bleed, based on the S. A. Cosby novel of the same name.
Personal life Born April 16, 1976 Lyons is married to Canadian actress Carly Pope. In November 2024, Pope gave birth to their child.
Filmography Film Year Title Role Notes 2007 Storm Warning Jimmy 2008 Cactus Eli Jones 2010 Eat Pray Love Ian2011 Swerve Colin Möbius Steve Short film 2012 Save Your Legs! The Prince2013 Safe Haven Kevin Tierney The Trials of Cate McCall Josh 2015 Truth Josh Howard 2025 She Rides Shotgun Jimmy
Television Year Title Role Notes 2002 Neighbours Damian Slattery 2005 Blue Heelers Jason Tyler 4 episodes 2007–2009 Sea Patrol Leading Seaman Josh "E.T." Holiday Series regular 2008–2009 ER Dr. Simon Brenner Special guest cast (season 14), main cast (season 15) 2009 A Model Daughter: The Killing of Caroline Byrne Gordon Wood Television film 2010 Day One Sam Television film 2011 The Cape Vince Farraday / The Cape Series regular 2012 Don't Try This at Home Matt Episode: "Sex/Death, Part II" 2012–2014 Revolution General Sebastian "Bass" Monroe Series regular 2013 Revolution: Enemies of the State General Sebastian "Bass" Monroe TV miniseries 2016 Game of Silence Jackson Brooks Series regular2018 Philip K. Dick's Electric Dreams Connie Episode: "Autofac" Seven Seconds Mike Diangelo Series regular 2019 The Commons Lloyd Green Series regular 2021–2023 Truth Be Told Detective Aames Series regular 2022 Troppo Lou Damford Series regular2025Invisible BoysFather MulroneyTV series2025The Beast in MeBrian AbbottRecurring2026The Night AgentAdam CorriganMain role (season 3)Jasper SandersonLimited series
Awards and nominations Year Award Category Nominated work Result2014 Stellae Awards Best Actor Penance Heartland International Film Festival Best Narrative Short Record
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